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LibWeb: Add partial serialization for CSSFontFaceRule

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This partially adds serialization code for
`CSSFontFaceRule::serialized()` to spec. This is only partially
implemented as some parts of the `@font-face` rule are not implemented
yet.
This commit is contained in:
electrikmilk 2022-09-11 12:20:16 -04:00 • committed by Sam Atkins
parent b0f9ad0000
commit fdd202259d
3 changed files with 109 additions and 2 deletions
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77
Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.cpp
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@ -6,6 +6,7 @@
*/
#include <LibWeb/CSS/CSSFontFaceRule.h>
#include <LibWeb/CSS/Serialize.h>
#include <LibWeb/HTML/Window.h>
namespace Web::CSS {
@ -31,8 +32,80 @@ CSSStyleDeclaration* CSSFontFaceRule::style()
// https://www.w3.org/TR/cssom/#ref-for-cssfontfacerule
String CSSFontFaceRule::serialized() const
{
// FIXME: Implement this!
return "@font-face { /* FIXME: Implement CSSFontFaceRule::serialized()! */ }";
StringBuilder builder;
// The result of concatenating the following:
// 1. The string "@font-face {", followed by a single SPACE (U+0020).
builder.append("@font-face { "sv);
// 2. The string "font-family:", followed by a single SPACE (U+0020).
builder.append("font-family: "sv);
// 3. The result of performing serialize a string on the rule’s font family name.
serialize_a_string(builder, m_font_face.font_family());
// 4. The string ";", i.e., SEMICOLON (U+003B).
builder.append(';');
// 5. If the rule’s associated source list is not empty, follow these substeps:
if (!m_font_face.sources().is_empty()) {
// 1. A single SPACE (U+0020), followed by the string "src:", followed by a single SPACE (U+0020).
builder.append(" src: "sv);
// 2. The result of invoking serialize a comma-separated list on performing serialize a URL or serialize a LOCAL for each source on the source list.
serialize_a_comma_separated_list(builder, m_font_face.sources(), [&](FontFace::Source source) {
if (source.url.cannot_be_a_base_url()) {
serialize_a_url(builder, source.url.to_string());
} else {
serialize_a_local(builder, source.url.to_string());
}
// NOTE: No spec currently exists for format()
if (source.format.has_value()) {
builder.append("format(\""sv);
serialize_a_string(builder, source.format.value());
builder.append("\")"sv);
}
});
// 3. The string ";", i.e., SEMICOLON (U+003B).
builder.append(';');
}
// 6. If rule’s associated unicode-range descriptor is present, a single SPACE (U+0020), followed by the string "unicode-range:", followed by a single SPACE (U+0020), followed by the result of performing serialize a <'unicode-range'>, followed by the string ";", i.e., SEMICOLON (U+003B).
builder.append(" unicode-range: "sv);
serialize_unicode_ranges(builder, m_font_face.unicode_ranges());
builder.append(';');
// FIXME: 7. If rule’s associated font-variant descriptor is present, a single SPACE (U+0020),
// followed by the string "font-variant:", followed by a single SPACE (U+0020),
// followed by the result of performing serialize a <'font-variant'>,
// followed by the string ";", i.e., SEMICOLON (U+003B).
// FIXME: 8. If rule’s associated font-feature-settings descriptor is present, a single SPACE (U+0020),
// followed by the string "font-feature-settings:", followed by a single SPACE (U+0020),
// followed by the result of performing serialize a <'font-feature-settings'>,
// followed by the string ";", i.e., SEMICOLON (U+003B).
// FIXME: 9. If rule’s associated font-stretch descriptor is present, a single SPACE (U+0020),
// followed by the string "font-stretch:", followed by a single SPACE (U+0020),
// followed by the result of performing serialize a <'font-stretch'>,
// followed by the string ";", i.e., SEMICOLON (U+003B).
// FIXME: 10. If rule’s associated font-weight descriptor is present, a single SPACE (U+0020),
// followed by the string "font-weight:", followed by a single SPACE (U+0020),
// followed by the result of performing serialize a <'font-weight'>,
// followed by the string ";", i.e., SEMICOLON (U+003B).
// FIXME: 11. If rule’s associated font-style descriptor is present, a single SPACE (U+0020),
// followed by the string "font-style:", followed by a single SPACE (U+0020),
// followed by the result of performing serialize a <'font-style'>,
// followed by the string ";", i.e., SEMICOLON (U+003B).
// 12. A single SPACE (U+0020), followed by the string "}", i.e., RIGHT CURLY BRACKET (U+007D).
builder.append(" }"sv);
return builder.to_string();
}
}